Envlet
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Platforms

Envlet on Cloudflare Workers

Workers have no process.env, so pass the token from your binding to load() and read the returned values.

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Set the token
wrangler secret put ENVLET_TOKEN
Load in the handler
import { load } from "@envlet/sdk";

export default {
  async fetch(request: Request, env: { ENVLET_TOKEN: string }) {
    const values = await load({ token: env.ENVLET_TOKEN });
    return new Response(values.APP_NAME);
  },
};

Set up

  1. 01

    Create a token

    Create an identity for Cloudflare Workers and a token for the environment it deploys.

  2. 02

    Set one secret

    wrangler secret put stores ENVLET_TOKEN as a Worker secret. Use a different token per environment in wrangler.jsonc env blocks.

  3. 03

    Start through Envlet

    Call load() with the token from env inside the handler. Cache the promise per isolate if you want one fetch per cold start.

Questions

Will my app start if Envlet is down?
No, and that is the point. It retries for a few seconds, then fails so you notice, instead of starting with half an environment.
Do I still need Cloudflare Workers's own secret store?
Only for ENVLET_TOKEN. Everything else lives in Envlet, so you rotate in one place.

Also for

Stop pasting .env files.

One command. The right values for whoever runs it.

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